CORALVILLE, IA · Johnson County
CORALVILLE MUNI WATER SYSTEM Water System
Consumer Confidence Report status
CORALVILLE MUNI WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CORALVILLE MUNI WATER SYSTEM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA5208071
- System type
- Community Water System
- Population served
- 22,318
- Service connections
- 6,608
- Ownership
- local government
- Water source
- groundwater (wells)
CORALVILLE MUNI WATER SYSTEM is one of 50 community water systems in Iowa in the 10,001 to 100,000 people size category, serving 22,318 people from groundwater.
As of August 1, 2026, its federal record holds 10 entries in 1991, all of which EPA lists as closed. Nothing has been added since 1991.
Of the 10, 9 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals and the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 1991 – March 31, 1991
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—Styrene
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—Toluene
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1991 – January 31, 1991
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1991 – January 31, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 1991 – March 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1991 – January 31, 1991 | Monitoring, Regular | Xylenes, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 15, 2019State Public Notification received3 linked violations
- January 25, 2019State Compliance achieved1 linked violation
- January 17, 2019State Public Notification requested2 linked violations
- January 17, 2019State Formal Notice of Violation issued1 linked violation
- May 22, 2017State Public Notification received1 linked violation
- March 31, 2017State Compliance achieved1 linked violation
- March 16, 2017State Formal Notice of Violation issued1 linked violation
- March 16, 2017State Public Notification requested1 linked violation
- January 20, 1998State Public Notification requested7 linked violations
- May 18, 1993State Public Notification received3 linked violations
- May 18, 1993State Public Notification received2 linked violations
- May 18, 1993State Public Notification received1 linked violation
- May 18, 1993State Public Notification received3 linked violations
- May 18, 1993State Public Notification received3 linked violations
- May 18, 1993State Public Notification received4 linked violations
- May 18, 1993State Public Notification received1 linked violation
- May 18, 1993State Public Notification received1 linked violation
- May 18, 1993State Public Notification received2 linked violations
- May 18, 1993State Public Notification received2 linked violations
- May 18, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 11, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- May 11, 1993State Compliance achieved2 linked violations
- May 11, 1993State Compliance achieved9 linked violations
- May 11, 1993State Compliance achieved4 linked violations
- May 11, 1993State Compliance achieved3 linked violations
- May 11, 1993State Compliance achieved4 linked violations
- May 11, 1993State Compliance achieved3 linked violations
- May 11, 1993State Compliance achieved7 linked violations
- May 11, 1993State Compliance achieved1 linked violation
- May 11, 1993State Compliance achieved1 linked violation
- May 11, 1993State Compliance achieved4 linked violations
- May 11, 1993State Compliance achieved2 linked violations
- April 13, 1993State Public Notification requested1 linked violation
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Formal Notice of Violation issued2 linked violations
- April 13, 1993State Public Notification requested1 linked violation
- April 13, 1993State Public Notification requested2 linked violations
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Formal Notice of Violation issued4 linked violations
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Public Notification requested1 linked violation
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Public Notification requested1 linked violation
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Formal Notice of Violation issued4 linked violations
- April 13, 1993State Public Notification requested2 linked violations
- April 13, 1993State Public Notification requested17 linked violations
- April 13, 1993State Public Notification requested2 linked violations
- April 13, 1993State Formal Notice of Violation issued2 linked violations
- April 13, 1993State Public Notification requested3 linked violations
- April 13, 1993State Formal Notice of Violation issued1 linked violation
- April 13, 1993State Public Notification requested3 linked violations
- April 13, 1993State Public Notification requested9 linked violations
- April 13, 1993State Public Notification requested1 linked violation
- August 27, 1991State Public Notification received2 linked violations
- January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is CORALVILLE MUNI WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. CORALVILLE MUNI WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CORALVILLE MUNI WATER SYSTEM’s next Consumer Confidence Report due?
- CORALVILLE MUNI WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CORALVILLE MUNI WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CORALVILLE MUNI WATER SYSTEM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CORALVILLE MUNI WATER SYSTEM
319-248-1770
CORALVILLE, IA 52241